Re: Don't set coding-system in shell-mode

"Stephen J. Turnbull" <turnbull(a)sk.tsukuba.ac.jp&gt; writes: > >>>>> "Ben" == Ben Wing <ben(a)666.com&gt; writes: > > Ben> Moved to xemacs-beta. I disagree. We always want to be > Ben> automatic when possible -- i.e. option 1. We don't want to > Ben> burden the user with extra work -- i.e. #3. > > Being automatic is possible only when the user knows what he is > doing. We need to be very careful that users do not get wedged into > coding systems they don't know how to get out of. This is one of > Hrvoje's prime complaints about Mule; it can and does destroy data > because of coding-system wedging. Ben's idea is to autodetect every output/input so you won't end up in strange coding-system. I don't think your last statement is true since you can always repeat the command before in shell-mode. What we need is automatic detection and explicit specification of what coding-system to use. > Remember, you can't do the equivalent of `C-x C-k RET C-u C-x C-f > "file" RET "the-right-encoding" RET' on a terminal stream yet. Now we are discussing how to do that sensibly, aren't we? :-) > I think we should do something like buffer the first screenful, do > autodetect on it, and `C-x C-m c' should (optionally?) offer a menu > including coding systems and a line of sample text from the buffer to > show the user what they are getting. This will fail if user accidentally output some amount of binary data. And we need raw data to autodetect coding-system. Text in the buffer is already code converted in most cases. What happens if iso-2022-jp, shift_jis and euc-jp is outputted in the same buffer? I think Ben's idea and my idea can coexist. This is a revised proposal. 1. Try to autodetect every input/output by resetting coding-system. 2. If user specify explicitly what coding-system to use with C-x RET c, then use that. i.e. reset to that coding-system instead of auto-detection after every command. 3. Implement a way to specify coding-system used for only next command. This will be already existing command set-buffer-process-coding-system since it will be reseted after one command execution. 4. (Optional) Implement a way to change coding-system permanently. -- Yoshiki Hayashi